Bioatla, Inc.

BCAB·NASDAQ·$3.91Share Price as of 11/2·$5MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/15/26 10-K/AFY 202504/29/26 10-KFY 202503/31/26 10-QQ3 ended 09/30/2511/13/25

Disclosures

8-KCurrent report10/20/26 8-KCurrent report09/29/26 8-KCurrent report08/28/26 8-KShareholder Vote Results07/16/26 8-KCurrent report04/02/26

Prospectuses and Registrations

424B3Prospectus10/29/26 S-1Registration statement (IPO)10/20/26 S-8Registration of securities for employees03/31/26 424B2Prospectus for primary offering03/20/26 424B2Prospectus for primary offering03/13/26

Proxies

DEF 14ADefinitive proxy06/03/26 DEFA14AAdditional proxy materials06/03/26 DEFA14AAdditional proxy materials03/02/26 DEFM14ADefinitive proxy (merger)02/11/26 PREM14APreliminary proxy (merger)01/30/26

Ownership

Form 4Insider transaction09/02/26 Form 4Insider transaction09/02/26 Form 4Insider transaction09/02/26 Form 4Insider transaction06/05/26 Form 4Insider transaction06/05/26

Other

EFFECTRequest for effectiveness10/29/26 RWRegistration withdrawal10/27/26 ARSAnnual report to shareholders06/03/26 EFFECTRequest for effectiveness05/14/25 CORRESPCorrespondence with the SEC05/12/25